We suggest that when referencing the Ocean Colour CCI dataset within peer-reviewed papers or any other publications the following citation is given in the acknowledgements, alongside any description within the methodology: Ocean Colour Climate Change Initiative dataset, Version version number, European Space Agency, available online at http://www.esa-oceancolour-cci.org/ We would also like to be notified so that we can list publications within the project website at http://www.esa-oceancolour-cci.org/?q=publications